Question

Tracheid, vessel and sclereids are similar in that they all

• A. Lack secondary walls
• B. Conduct water and minerals
• C. Function when dead
• D. Have open ends

Answer 1

Answer: (C)

Function when dead

• During Living stage tracheid, vessel and sclereids could not perform there function.
• They only become perfect to perform there function when they get mature and dead.
• Tracheid and vessels have of function water conduction while sclereids become rough and hard after getting die they help provide support to plant.

it means all of them have similar thing is that they all perform there role after death.

• Hence, option C is correct.